{"id":"obr:work:the-world-of-null-a","slug":"the-world-of-null-a","url":"https://openbookrank.com/en/book/the-world-of-null-a","urls":{"en":"https://openbookrank.com/en/book/the-world-of-null-a","de":"https://openbookrank.com/de/buch/the-world-of-null-a","fr":"https://openbookrank.com/fr/livre/the-world-of-null-a","it":"https://openbookrank.com/it/libro/the-world-of-null-a","nl":"https://openbookrank.com/nl/boek/the-world-of-null-a"},"title":"The World of Null-A","titles":{"es":"El mundo de los NO-A","it":"Non-A","nl":"Nul-A-trilogie","sv":"Världen och noll-A","fr":"Le Monde des Ā","en":"The World of Null-A","de":"Welt der Null-A","uk":"Світ Нуль-А","ja":"非Aの世界"},"author":{"id":"obr:author:null","name":"A. E. van Vogt","api":"https://openbookrank.com/api/v1/authors/null.json"},"year":1945,"pages":272,"originalLanguage":null,"identifiers":{"wikidata":"Q957076","openLibrary":null,"isbn13":"9780765300973","isbns":["9780765300973"],"isbnByLanguage":{},"googleBooks":null,"hardcover":"the-world-of-null-a","amazon":null},"score":{"value":null,"scale":10,"ratings":25,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":59,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:null-a","slug":"null-a","title":"Null-A","position":1,"volumes":3,"api":"https://openbookrank.com/api/v1/series/null-a.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The World of Null-A\" by A. E. van Vogt but does not score it: it has fewer than 50 reader ratings (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}